/Engine/Source/Runtime/MediaAssets/Public/MediaTextureTracker.h
Each object should call this for each media texture that the object has.
void UnregisterTexture ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FMediaTextureTrackerObject](API\Runtime\MediaAssets\FMediaTextureTrackerObject), ESPMode::ThreadSafe > & InInfo, [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UMediaTexture](API\Runtime\MediaAssets\UMediaTexture) > InTexture )